Some of the hottest tech startups today are part of the “photo economy.” Millennials and teens have made their penchant for visual communication clear, and helped to make multiple photo sharing apps into huge success stories. Now entrepreneurs are fighting into the space with photo apps that put an emphasis on “storytelling, shopping, and storage.” Competition is tough, and so far the many startups that have tried to make photos shoppable have not succeeded. But still clearly the apps to know next will likely have something to do with this picture-obsession. (Fast Company)